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13090207 = 134432273
BaseRepresentation
bin110001111011…
…110110011111
3220122001101111
4301323312133
511322341312
61144322451
7216156604
oct61736637
926561344
1013090207
117430959
124473427
1329342b0
141a4a6ab
1512388a7
hexc7bd9f

13090207 has 8 divisors (see below), whose sum is σ = 14135184. Its totient is φ = 12050688.

The previous prime is 13090201. The next prime is 13090211. The reversal of 13090207 is 70209031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13090207 - 215 = 13057439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4623 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (1766898).

Almost surely, 213090207 is an apocalyptic number.

13090207 is a deficient number, since it is larger than the sum of its proper divisors (1044977).

13090207 is a wasteful number, since it uses less digits than its factorization.

13090207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13090207 is about 3618.0391097941. The cubic root of 13090207 is about 235.6760793557.

Adding to 13090207 its reverse (70209031), we get a palindrome (83299238).

The spelling of 13090207 in words is "thirteen million, ninety thousand, two hundred seven".

Divisors: 1 13 443 2273 5759 29549 1006939 13090207